FullCalculator

Solar Battery Sizing Calculator

Solar Battery Sizing

Size a solar battery bank for off-grid use.

Formula

Ah = (Daily Wh x Autonomy Days) / (DoD x Voltage)

Frequently Asked Questions

What is depth of discharge?
The percentage of battery capacity that is used before recharging.
How many autonomy days should I plan?
Two to three days is typical for most residential solar setups.